JFreeChart is a free Java class library for generating charts, including: * pie charts (2D and 3D); * bar charts (regular and stacked, with an optional 3D effect); * line and area charts; * scatter plots and bubble charts; * time series, high/low/open/close charts and candle stick charts; * combination charts; * Pareto charts; * Gantt charts; * wind plots, meter charts and symbol charts; * wafer map charts; Other features offered by JFreeChart: * complete source code is included, under the terms of the GNU Lesser General Public Licence; * access to data from any source via dataset interfaces; * support for multiple secondary axes and datasets; * tooltips, zooming, printing; * direct export to PNG and JPEG; * export to PDF via iText and SVG via Batik (both described in the JFreeChart Developer Guide). * support for servlets, JSP (thanks to Cewolf), applets or client applications; * comprehensive Javadocs;